<h2>Comments</h2>
<pre><code>// Single line comment
/* Multi-line
comment */
# Shell-like comment</code></pre>

<h2>Strings</h2>
<pre><code>'foo \'bar\' baz'
"foo \"bar\" baz"
"a string # containing an hash"
$foo = &lt;&lt;&lt;FOO
    Heredoc strings are supported too!
FOO;
$bar = &lt;&lt;&lt;'BAR'
    And also Nowdoc strings
BAR;</code></pre>

<h2>Variables</h2>
<pre><code>$some_var = 5;
$otherVar = "Some text";
$null = null;
$false = false;</code></pre>

<h2>Functions</h2>
<pre><code>$json = json_encode($my_object);
$array1 = array("a" => "green", "red", "blue", "red");
$array2 = array("b" => "green", "yellow", "red");
$result = array_diff($array1, $array2);</code></pre>

<h2>Constants</h2>
<pre><code>define('MAXSIZE', 42);
echo MAXSIZE;
json_decode($json, false, 512, JSON_BIGINT_AS_STRING)</code></pre>

<h2>PHP 5.3+ support</h2>
<pre><code>namespace my\name;
$c = new \my\name\MyClass;
$arr = [1,2,3];
trait ezcReflectionReturnInfo {
    function getReturnType() { /*1*/ }
    function getReturnDescription() { /*2*/ }
}
function gen_one_to_three() {
    for ($i = 1; $i <= 3; $i++) {
        // Note that $i is preserved between yields.
        yield $i;
    }
}</code></pre>

<h2>PHP embedded in HTML</h2>
<pre><code>&lt;div class="&lt;?php echo $a ? 'foo' : 'bar'; ?>">
&lt;?php if($var &lt; 42) {
    echo "Something";
} else {
    echo "Something else";
} ?>
&lt;/div></code></pre>

<h2>String interpolation</h2>
<pre><code>$str = "This is $great!";
$foobar = "Another example: {${$foo->bar()}}";
$a = &lt;&lt;&lt;FOO
    Hello $world!
FOO;
$b = &lt;&lt;&lt;"FOOBAR"
    Interpolation inside Heredoc strings {$obj->values[3]->name}
FOOBAR;</code></pre>